Has the commodities boom come to an end?

From TheStreet: The commodities boom was as severe and swift as ever in history, but tremors have entered the markets over the last few weeks as investors begin to wonder: Could it all be over?
Copper futures have marched to record highs, rising more than 40% since the middle of last year. And Freeport McMoRan(FCX), the largest publicly traded miner of copper in the world, saw its share price double, going from $30 to just above $60 in January before sliding back……………………………………….Full Article: Source